Datadog went public on Thursday and instantly hit a $10 billion valuation, becoming the fourth cloud software debut to reach that level this year. Blackstone Executive Vice Chairman Tony James says he's less optimistic now than before that the U.S.-China trade war could be resolved, but even a smaller deal could help... There are challenges with Iran, North Korea, the Afghan Taliban, Israel and the Palestinians — not to mention a number of trade pacts. In perhaps Buffett's first televised profile, he explained a method of investing that prioritizes bargains and makes use of an occasional baseball analogy.